<template>
  <section class="main">
    <input id="toggle-all" class="toggle-all" type="checkbox" v-model="all" />
    <label for="toggle-all">全部标记为已完成</label>
    <ul class="todo-list">
      <!-- These are here just to show the structure of the list items -->
      <!-- List items should get the class `editing` when editing and `completed` when marked as completed -->
      <li :class="{completed:item.isDone}" v-for="item in list" :key="item.id">
        <div class="view">
          <input class="toggle" type="checkbox" :checked="item.isDone" @change="$emit('state',item.id)" />
          <label>{{item.name}}</label>
          <button class="destroy" @click="$emit('del',item.id)"></button>
        </div>
        <input class="edit" value="Create a TodoMVC template" />
      </li>
    </ul>
  </section>
</template>

<script>
export default {
  props:{
    list: Array
  },
  computed:{
    all:{
      get (){
        return this.list.every(item =>item.isDone)
      },
      set(val) {
        console.log(val)
        this.$emit('changeAll',val)
      }
    }
  }
}
</script>

<style></style>